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Search: id:A142471
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A142471 a(0) = a(1) = 0; thereafter a(n) = a(n-1)*a(n-2) + 2. +0
2
0, 0, 2, 2, 6, 14, 86, 1206, 103718, 125083910, 12973452977382, 1622770224612082123622, 21052933202100473722674133293917606, 34164073141115747076263787631563122725393126176374288934, 71925394975158473455710759024063742095079387170370903455158625360270317548580898\ 5433572006 (list; graph; listen)
OFFSET

0,3

LINKS

A. V. Aho and N. J. A. Sloane, Some doubly exponential sequences, Fib. Quart., 11 (1973), 429-437.

CROSSREFS

Cf. A007660, A000058, A143684.

Sequence in context: A097341 A142710 A014431 this_sequence A071208 A083555 A001464

Adjacent sequences: A142468 A142469 A142470 this_sequence A142472 A142473 A142474

KEYWORD

nonn

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com), based on email from Carla J. Garner-Bennett, Nov 13 2008

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Last modified November 23 17:09 EST 2009. Contains 167438 sequences.


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